GROUP OF BOOKS ON NATURAL HISTORY, ECOLOGY. Including: DAVID MUENCH, UNCOMMON PLACES, Appalachian Trail Conference, 1991. DAVID MUENCH, NATURE'S AMERICA, Roberts Rienhart, 1995. DAVID MUENCH, AMERICAN PORTFOLIOS, Browntrout, 1994. KONRAD LORENZ, THE YEAR OF THE GREYLAG GOOSE, with photos by SYBILLE AND KLAUS KALAS, 1978. FREDERICK GEORGE MARCHEN, LOUSI AGASSIZ FUERTES AND THE SINGULAR BEAUTY OF BIRDS, Harper and Row, 1976. PAUL DUVAL, THE ART OF GLEN LOATES, Cereberus, 1977. RAYMOND CHING, STUDIES AND SKETCHES OF A BIRD PAINTER, Lansdowne, 1981. DAVID BROWER, NOT MAN APART, PHOTOGRAPHS OF THE BIG SUR COAST, lines from Robinson Jeffers, Sierra Club, 1965, and others including Rachel Carson, David Attenborough, etc. - (16). Estimate $75-100